Place pata slices in stock pot. Fill pot with water to cover meat. Boil pata slices until tender. Set aside. Reserve broth from boiling meat.
Saute achuete seeds in cooking oil until color leaks out. Discard achuete seeds. Saute garlic and onion in achuete oil. Add boiled meat pieces and cook for 5 minutes. Add sliced puso ng saging and cook for another 5 minutes. Add reserved broth. Bring mixture to boil. Stir in ground rice and peanuts. Cook further until mixture slightly thickens. Season with salt and pepper. Add cut vegetables last. Cook until vegetables are done. Serve warm.